Bought these new - used them on our BMW F31 (2014) Sportwagon. K796W made just for the F31. The bars are 47" long and are aluminum, some of the nicest roof rails you can buy. They are shaped like an airplane wing and are very quiet. Sale does not include the kayak rack - just the cross bars.
http://www.rather.net/images/rails2.jpg
http://www.rather.net/images/rails3.jpg
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'84 & 88 M6, '91 850i, '03 X5 4.6is Dinan, '17 540 Sport
SOLD
'88 M3, '88, '90, '92 750iL
'91 850i, '77 530i, '83 733i, '14 328i Sport Wagon